Chapter 29 – Comparing Invertebrates A $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Topic 1Topic 2Topic 3Topic 4 Topic 5 FINAL ROUND

Topic 1: $100 Question An endoskeleton is a a. shell of a mollusk. b. hard body covering made of chitin. c. structural support located inside the body. d. fluid-filled body cavity that supports the muscles. BACK TO GAME ANSWER

Topic 1: $100 Answer An endoskeleton is a a. shell of a mollusk. b. hard body covering made of chitin. c. structural support located inside the body. d. fluid-filled body cavity that supports the muscles. BACK TO GAME

Topic 1: $200 Question Cephalization refers to the a. division of the body into upper and lower sides. b. concentration of sense organs and nerve cells in the front of the body. c. joining together of specialized cells to form tissues. d. formation of a body cavity between the germ layers. BACK TO GAME ANSWER

Topic 1: $200 Answer Cephalization refers to the a. division of the body into upper and lower sides. b. concentration of sense organs and nerve cells in the front of the body. c. joining together of specialized cells to form tissues. d. formation of a body cavity between the germ layers. BACK TO GAME

Topic 1: $300 Question Which statement refers to sexual reproduction? a. An organism breaks into pieces that grow into new individuals. b. All offspring are genetically identical to the parent. c. Offspring are produces from the fusion of male and female gametes. d. New individuals are produced from outgrowths of the parent’s body wall. BACK TO GAME ANSWER

Topic 1: $300 Answer Which statement refers to sexual reproduction? a. An organism breaks into pieces that grow into new individuals. b. All offspring are genetically identical to the parent. c. Offspring are produced from the fusion of male and female gametes. d. New individuals are produced from outgrowths of the parent’s body wall. BACK TO GAME

Topic 1: $400 Question ___________ fossils are tracks and burrows made by soft-bodied animals whose bodies were not fossilized. a. Large b. Indicator c. Trace d. The smallest BACK TO GAME ANSWER

Topic 1: $400 Answer ___________ fossils are tracks and burrows made by soft-bodied animals whose bodies were not fossilized. a. Large b. Indicator c. Trace d. The smallest BACK TO GAME

Topic 1: $500 Question Which of the following invertebrates has a closed circulatory system, nephridia, and a hydrostatic skeleton? a. A flatworm b. A sponge c. An annelid d. An echinoderm BACK TO GAME ANSWER

Topic 1: $500 Answer Which of the following invertebrates has a closed circulatory system, nephridia, and a hydrostatic skeleton? a. A flatworm b. A sponge c. An annelid d. An echinoderm BACK TO GAME

Topic 2: $100 Question Over the course of evolution, ____________ allowed animals to increase in body size with a minimum of new genetic material. a. cephalization b. asexual reproduction c. sexual reproduction d. segmentation BACK TO GAME ANSWER

Topic 2: $100 Answer Over the course of evolution, ____________ allowed animals to increase in body size with a minimum of new genetic material. a. cephalization b. asexual reproduction c. sexual reproduction d. segmentation BACK TO GAME

Topic 2: $200 Question An example of an invertebrate with a hydrostatic skeleton is a(an) a. spider. b. sea star. c. earthworm. d. sponge. BACK TO GAME ANSWER

Topic 2: $200 Answer An example of an invertebrate with a hydrostatic skeleton is a(an) a. spider. b. sea star. c. earthworm. d. sponge. BACK TO GAME

Topic 2: $300 Question Animals of the Cambrian Period typically had all of the following EXCEPT a. body symmetry. b. some type of skeleton. c. a backbone. d. segmentation. BACK TO GAME ANSWER

Topic 2: $300 Answer Animals of the Cambrian Period typically had all of the following EXCEPT a. body symmetry. b. some type of skeleton. c. a backbone. d. segmentation. BACK TO GAME

Topic 2: $400 Question The only invertebrates that lack both cephalization and a coelom are cnidarians and ______________ a. trilobites. b. annelids. c. tunicates. d. sponges. BACK TO GAME ANSWER

Topic 2: $400 Answer The only invertebrates that lack both cephalization and a coelom are cnidarians and ______________ a. trilobites. b. annelids. c. tunicates. d. sponges. BACK TO GAME

Topic 2: $500 Question In insects, gas exchange takes place through a network of a. mantle cavities. b. book lungs. c. blood vessels. d. tracheal tubes. BACK TO GAME ANSWER

Topic 2: $500 Answer In insects, gas exchange takes place through a network of a. mantle cavities. b. book lungs. c. blood vessels. d. tracheal tubes. BACK TO GAME

Topic 3: $100 Question A body cavity lined partially with mesoderm is called a(an) _____________________. a. coelom b. true coelom c. endoderm d. pseudocoelom BACK TO GAME ANSWER

Topic 3: $100 Answer A body cavity lined partially with mesoderm is called a(an) _____________________. a. coelom b. true coelom c. endoderm d. pseudocoelom BACK TO GAME

Topic 3: $200 Question Among the following invertebrates, which are deuterostomes? a. mollusks b. echinoderms c. arthropods d. worms BACK TO GAME ANSWER

Topic 3: $200 Answer Among the following invertebrates, which are deuterostomes? a. mollusks b. echinoderms c. arthropods d. worms BACK TO GAME

Topic 3: $300 Question Animal Y has three germ layers, bilateral symmetry, and no coelom. Animal Y is a(an) a. arthropod. b. sponge. c. flatworm. d. mollusk. BACK TO GAME ANSWER

Topic 3: $300 Answer Animal Y has three germ layers, bilateral symmetry, and no coelom. Animal Y is a(an) a. arthropod. b. sponge. c. flatworm. d. mollusk. BACK TO GAME

Topic 3: $400 Question The opening in the blastula is known as the _________________. a. gastrula b. blastopore c. gastropore d. blastula BACK TO GAME ANSWER

Topic 3: $400 Answer The opening in the blastula is known as the _________________. a. gastrula b. blastopore c. gastropore d. blastula BACK TO GAME

Topic 3: $500 Question Which of these invertebrates exchange gases through gills? a. insects b. spiders c. clams d. land snails BACK TO GAME ANSWER

Topic 3: $500 Answer Which of these invertebrates exchange gases through gills? a. insects b. spiders c. clams d. land snails BACK TO GAME

Topic 4: $100 Question Which of the following did NOT occur during the Cambrian Explosion? a. Animals acquired specialized cells, tissues, and organs. b. There was an extraordinary growth in animal diversity. c. Animal appendages became specialized for a variety of functions. d. Animals evolved simpler body plans. BACK TO GAME ANSWER

Topic 4: $100 Answer Which of the following did NOT occur during the Cambrian Explosion? a. Animals acquired specialized cells, tissues, and organs. b. There was an extraordinary growth in animal diversity. c. Animal appendages became specialized for a variety of functions. d. Animals evolved simpler body plans. BACK TO GAME

Topic 4: $200 Question Echinoderms differ from cnidarians in that echinoderms develop from three _______ layers. a. large b. small c. bacterial d. germ BACK TO GAME ANSWER

Topic 4: $200 Answer Echinoderms differ from cnidarians in that echinoderms develop from three _______ layers. a. large b. small c. bacterial d. germ BACK TO GAME

Topic 4: $300 Question The function of the structure labeled X in Figure 29-2 is to rid the body of excess _________________. a. urea b. nitrogen c. water d. carbon dioxide BACK TO GAME ANSWER

Topic 4: $300 Answer The function of the structure labeled X in Figure 29-2 is to rid the body of excess _________________. a. urea b. nitrogen c. water d. carbon dioxide BACK TO GAME

Topic 4: $400 Question If an animal moves by contracting muscles that surround a body cavity filled with fluid, the animal has a(an) _________ skeleton. a. hard b. hydrostatic c. lensatic d. cartilagenous BACK TO GAME ANSWER

Topic 4: $400 Answer If an animal moves by contracting muscles that surround a body cavity filled with fluid, the animal has a(an) _________ skeleton. a. hard b. hydrostatic c. lensatic d. cartilagenous BACK TO GAME

Topic 4: $500 Question The simplest nervous systems are called a. ganglia b. brains c. spinal cords d. nerve nets BACK TO GAME ANSWER

Topic 4: $500 Answer The simplest nervous systems are called a. ganglia b. brains c. spinal cords d. nerve nets BACK TO GAME

Topic 5: $100 Question An acoelomate is an animal that has a. a body cavity lined with endoderm and ectoderm. b. a body cavity partially lined with mesoderm. c. a body cavity completely lined with mesoderm. d. no body cavity between the germ layers. BACK TO GAME ANSWER

Topic 5: $100 Answer An acoelomate is an animal that has a. a body cavity lined with endoderm and ectoderm. b. a body cavity partially lined with mesoderm. c. a body cavity completely lined with mesoderm. d. no body cavity between the germ layers. BACK TO GAME

Topic 5: $200 Question In some invertebrates, eggs are fertilized outside the female’s body. This type of fertilization is known as ___________ fertilization. a. asexual b. internal c. external d. in vitro BACK TO GAME ANSWER

Topic 5: $200 Answer In some invertebrates, eggs are fertilized outside the female’s body. This type of fertilization is known as ___________ fertilization. a. asexual b. internal c. external c. in vitro BACK TO GAME

Topic 5: $300 Question Invertebrates that break down their food through intracellular digestion include a. annelids. b. sponges. c. cnidarians. d. mollusks. BACK TO GAME ANSWER

Topic 5: $300 Answer Invertebrates that break down their food through intracellular digestion include a. annelids. b. sponges. c. cnidarians. d. mollusks. BACK TO GAME

Topic 5: $400 Question An individual that can produce both male and female gametes is called a(an) _________________. a. hermaphrodite b. unicyte c. multicyte d. madreporite BACK TO GAME ANSWER

Topic 5: $400 Answer An individual that can produce both male and female gametes is called a(an) _________________. a. hermaphrodite b. unicyte c. multicyte d. madreporite BACK TO GAME

Topic 5: $500 Question Most invertebrates that rely on rapid movement for survival have _________ symmetry. a. no b. asymmetric c. radial d. bilateral BACK TO GAME ANSWER

Topic 5: $500 Answer Most invertebrates that rely on rapid movement for survival have _________ symmetry. a. no b. asymmetric c. radial d. bilateral BACK TO GAME

FINAL ROUND Question Question: a. Choice 1 b. Choice 2 c. Choice 3 d. Choice 4 BACK TO GAME ANSWER

FINAL ROUND Answer Question: a. Choice 1 b. Choice 2 c. Choice 3 (correct answer) d. Choice 4 BACK TO GAME